Definition: /0z.php redirects to malicious web server without permission, causing security threats. Definition: '0z' refers to a malicious URL that can be used for various purposes such as phishing, malware, or advertising fraud. The term 'php' stands for programming language and 'z' is used in URLs as a placeholder for a specific file name. This redirect is often used by cybercriminals to manipulate user behavior, steal sensitive information, or cause network disruption.